旋流泵结构参数对泵性能的影响

在旋流泵流场计算及流场测试基础上，就旋流泵的结构参数对泵性能的影响进行了一系列试验研究，总结了以蜗壳无叶腔体积Ｖ０与叶轮体积Ｖ１之比Ｚｖ来设计旋流泵的方法，并由大量试验数据统计得到，当Ｚｖ＝Ｖ０／Ｖ１＝３￣５时可获得较好的水力性能。设计的几种旋流泵的效率比国内处同类产品提高了３％￣５％。

Influence of Structural Parameter of a Vortex Pump on its Performance

On the basis of the measurement and calculation to the fluid field of vortex pump, the influence of pump structure on its performance was experimentally studied. A new method was developed in which the volumetric ratio of the vane less cavity to the impeller was used to design vortex pumps. According to the statistics of a number of experimental data, the authors believe that the pump can get a good performance in the ratioes between 3~5. The corresponding designs of several kinds of vortex pumps increase their efficiency by a factor of 3%~5% compared with the same kinds of pumps manufactured home and abroad.